Comprehensive Examination in Course Audit 1 (Surveying-Part 2) December 6, 2021 Instruction: Take this examination independently for only one (1) hour. Use capital letters for the choices. 1. The usual difference between volume of earth in a borrow pit and later embankment is a. waste b. settlement c. swell d. shrinkage 2. For a given map scale and contour interval, concentric circular contour lines might indicate relatively a. deep river valley 3. A closed hachured contour line represents b. high isolated hills c. inclined plateau d. irregular or broken surface a. saddle b. depression C. summit d. ridge 4. It is the difference between the upper stadia hair reading and the lower stadia hair reading a. Stadia interval b. stadia reading c. stadia constant d. stadia interval factor 5. The distance from the center of the instrument to the principal focus is termed as b. focal length a. Stadia intercept c. stadia constant d. stadia interval For items 6-10; breakdown of points as follows: Correct Solution - 3 Correct choice - 2 6. In a design of a highway curve for a maximum of 0.10 m/m, compute the maximum permissible Degree of curve if the design speed is 112 kph. Assume the design coefficient of side friction is d. 2.50° 0.15. a. 2.90° b. 3.20° с. 30 7. The roadway to be excavated is assumed to have a uniform cross section as shown below. Determine the volume of soil to be excavated for a length of 60 meters if the roadway width is 10 meters. Expressed in cu.m. Left Center Right 9.58 2.95 8.80 3.62 2.40 a. 2188.40 b. 2308.80 c. 3096.72 d. 2760.43 8. A vertical sag parabolic curve connects a -4% grade to a 1.5% grade. The distance of the P.I. to the curve is 2.24 meters. Calculate the length of the curve. d. 267 m a. 326 m b. 292 m c. 320 m 9. A simple curve connects two tangents XY and YZ with bearings of N 87°40' E and S 70°30' E respectively. If the stationing of the vertex is 4+280.00 and the stationing of P.C is 4+124.50, compute the external distance of the curve. а. 8.19 m b. 9.46 m c. 13.62 m d. 14.86 m 10. A spiral easement curve has length of 182 meters with a central curve having a radius of 338 m. Calculate the offset distance to the third quarter point on the curve. d. 6.89 m a, 5.74 m b. 8.90 m c. 6.54 m